Automatic multi-channel music mix from multiple audio stems

摘要

There are disclosed automatic mixers and methods for creating a surround audio mix. A set of rules may be stored in a rule base. A rule engine may select a subset of the set of rules based, at least in part, on metadata associated with a plurality of stems. A mixing matrix may mix the plurality of stems in accordance with the selected subset of rules to provide three or more output channels.

主权项

1. A system comprising:
an automatic mixer for creating a surround audio mix, comprising:
a rule engine to select a subset of a set of rules based, at least in part, on metadata indicating a respective voice of each of a plurality of stems and a genre associated with the plurality of stems; anda mixing matrix to mix the plurality of stems in accordance with mixing parameters determined from the selected subset of rules, the respective voice of each of the plurality of stems, and the genre associated with the plurality of stems to provide three or more output channels, whereineach of the three or more output channels is a weighted sum of the plurality of stems using weights included in the mixing parameters.